think-gem opened a new issue #10827:
URL: https://github.com/apache/shardingsphere/issues/10827
## Bug Report
Use readwrite-splitting report: union select is not supported yet.
### Which version of ShardingSphere did you use?
5.0.0-bata
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
1. I know I can fix this by specifying a different data source, but I expect
2. Can configure parameters, specific statements, and use mandatory master
database queries
3. If sql parse error, print the warning log, and force the primary database
query
### Actual behavior
Caused by: java.lang.IllegalStateException: union select is not supported
yet.
### Reason analyze (If you can)
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule
configuration, when exception occur etc.
```
Caused by: java.lang.IllegalStateException: union select is not supported
yet.
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionBody(MySQLStatementSQLVisitor.java:594)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionBody(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryExpressionBodyContext.accept(MySQLStatementParser.java:4373)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpression(MySQLStatementSQLVisitor.java:564)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpression(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryExpressionContext.accept(MySQLStatementParser.java:4279)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionParens(MySQLStatementSQLVisitor.java:541)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionParens(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryExpressionParensContext.accept(MySQLStatementParser.java:4530)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitSubquery(MySQLStatementSQLVisitor.java:533)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitSubquery(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$SubqueryContext.accept(MySQLStatementParser.java:9515)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableFactor(MySQLStatementSQLVisitor.java:1326)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableFactor(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$TableFactorContext.accept(MySQLStatementParser.java:8287)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableReference(MySQLStatementSQLVisitor.java:1315)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableReference(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$TableReferenceContext.accept(MySQLStatementParser.java:7737)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableReferences(MySQLStatementSQLVisitor.java:1281)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitTableReferences(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$TableReferencesContext.accept(MySQLStatementParser.java:7613)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQuerySpecification(MySQLStatementSQLVisitor.java:605)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQuerySpecification(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QuerySpecificationContext.accept(MySQLStatementParser.java:4684)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visitChildren(AbstractParseTreeVisitor.java:46)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementBaseVisitor.visitQueryPrimary(MySQLStatementBaseVisitor.java:237)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryPrimaryContext.accept(MySQLStatementParser.java:4601)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionBody(MySQLStatementSQLVisitor.java:592)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpressionBody(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryExpressionBodyContext.accept(MySQLStatementParser.java:4373)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpression(MySQLStatementSQLVisitor.java:564)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitQueryExpression(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$QueryExpressionContext.accept(MySQLStatementParser.java:4279)
at
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitSelect(MySQLStatementSQLVisitor.java:1140)
at
org.apache.shardingsphere.sql.parser.mysql.visitor.statement.impl.MySQLStatementSQLVisitor.visitSelect(MySQLStatementSQLVisitor.java:198)
at
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$SelectContext.accept(MySQLStatementParser.java:4112)
at
org.apache.shardingsphere.sql.parser.api.SQLVisitorEngine.visit(SQLVisitorEngine.java:49)
at
org.apache.shardingsphere.infra.parser.sql.SQLStatementParserExecutor.parse(SQLStatementParserExecutor.java:47)
at
org.apache.shardingsphere.infra.parser.cache.SQLStatementCacheLoader.load(SQLStatementCacheLoader.java:40)
at
org.apache.shardingsphere.infra.parser.cache.SQLStatementCacheLoader.load(SQLStatementCacheLoader.java:29)
at
com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3529)
at
com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2278)
at
com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2155)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2045)
... 167 common frames omitted
```
### Example codes for reproduce this issue (such as a github link).
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